Question: Find a 95% confidence interval for the regression coefficient ? 1 , assuming (A2) and (A3) hold and using the sample. In Prob. 2 Data

Find a 95% confidence interval for the regression coefficient ?1, assuming (A2) and (A3) hold and using the sample.

In Prob. 2

Data from Prob. 3

Find and graph the sample regression line of y on x and the given data as points on the same axes. Show the details of your work.

x = Revolutions per minute, y = Power of a Diesel engine [hp]

y 400 500 600 700 5800 10,300 14,200 18,800 750 21,000

y 400 500 600 700 5800 10,300 14,200 18,800 750 21,000

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